[GreenKeys] [Bulk] Re: C-64 to drive Mdl. 15 TTY (and probablyothers..)
drlegendre .
drlegendre at gmail.com
Fri Sep 4 19:06:03 EDT 2015
@Ralph
Wow, thank you - you laid it all out pretty well in that one post. You're
right, I have never so much as put my hands on a mechanical printer the
likes of an M15 - I had no idea they lacked EOL sensing / automatic CR. And
since there's essentially zero flow control, the printer can't toggle a
control line (like DTR) to give the carriage time to return and settle.
There's also no buffering anywhere, except on the sender's side (in this
case, the C-64 allocates a pair of 256 byte FIFOs). But it's not as if the
M15 will ever outpace that relative-rocket ship C-64. ;-)
Again, I'm doing all of this work based on downloaded docs and dead
reckoning - working with my roughly formed concept of the M15, rather than
an actual device. Things like carriage return time never crossed my mind...
And the J / S confusion isn't the only inconsistency. I found several
different tables of Baudot chars & their values - none of which entirely
agreed. Hopefully what I settled on won't be too far of the mark. About the
bell, I always thought Ctrl-G (chr$ 7) was bell?
In any case, thanks again for all the help with this project.. I think it's
going to be just fine.
On another note, I was searching eBay for "male male cable", and kept
getting listings with "female" in them. So I switched to "male male cable
-female".
Now eBay is pushing gay male-themed listings on me in the right column
targeted adverts. That's some AI there.. ;-)
On Fri, Sep 4, 2015 at 11:21 AM, Dave Horsfall <dave at horsfall.org> wrote:
> On Fri, 4 Sep 2015, Ralph Mowery wrote:
>
> > Dave just made a mistake by saying FIGS when I am sure he ment to say
> > LTRS.
>
> Not me; I was correcting another poster. Some attributions got a little
> mixed up there (which is why I continue to use a text-based email client,
> not a browser), and I seemed to appear as the culprit.
>
> --
> Dave Horsfall DTM (VK2KFU) "Those who don't understand security will
> suffer."
> Concerned about shark attacks? Then don't go swimming in their food
> bowl...
>
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